Good idea

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Across
  1. 3. an object that helps
  2. 6. what we use to power things
  3. 10. person who creates
  4. 12. having a good imagination means this
Down
  1. 1. something that needs to be solved
  2. 2. to be successful
  3. 4. answer to a question or situation
  4. 5. a good thought
  5. 7. to create
  6. 8. the thing created
  7. 9. to have a go
  8. 11. object that turns